12422213 has 4 divisors (see below), whose sum is σ = 12432000. Its totient is φ = 12412428.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422213 is 31222421.

12422213 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12422213 - 2² = 12422209 is a prime.

It is a super-2 number, since 2×12422213² = 308622751634738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12422191 and 12422200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (3108000).

Almost surely, 2^12422213 is an apocalyptic number.

It is an amenable number.

12422213 is a deficient number, since it is larger than the sum of its proper divisors (9787).

12422213 is an equidigital number, since it uses as much as digits as its factorization.

12422213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786.

The product of its digits is 192, while the sum is 17.

The square root of 12422213 is about 3524.5159951403. The cubic root of 12422213 is about 231.5970325942.

Adding to 12422213 its reverse (31222421), we get a palindrome (43644634).

The spelling of 12422213 in words is "twelve million, four hundred twenty-two thousand, two hundred thirteen".